Rhel/CentOS 7 - set time to display in 12 hour format in gnome
I'm doing a bunch of RHEL/CentOS 7 installs and by default all the machines come up with a 24-hour clock display in gnome. I'm getting sick and tired of having to go to Applications -> System Tools -> Settings -> Date & Time over and over again to manually set the 12 hour display.
I found the one-liner "gsettings set org.gnome.desktop.interface clock-format 12h" but that only works per-user and the user has to be logged in at the keyboard. It won't work ssh'd in remotely to pre-set the default.
From the command line, how can I set the 12-hour time display as the default for all Users created on a machine? Then I can have ansible do it as part of my setup and forget about it.
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